Straight Dope
What is the origin of the phrase “in like Flynn”? I have heard it alludes to the sexual exploits of the actor Errol Flynn but have a difficult time believing a reference so graphic could have become a common catchphrase. Maybe your mom would. Mine would sooner die. Best of Chicago voting is live now. Vote for your favorites » The earliest known use of “in like Flynn” in print is in the December 1946 issue of American Speech....